The following data are the result of a historical study of the number of flaws found in a porcelain cup produced by a manufacturing firm. What is the expected number of flaws and the standard deviation of the number offlaws?
|
Flaws
|
Probability
|
|
0
|
.461
|
|
1
|
.285
|
|
2
|
.129
|
|
3
|
.087
|
|
4
|
.038
|
|
|